package com.yuexunit.finance.system.action.v1.poi;

import java.lang.reflect.Method;

public class Base64Util {
	/*** 
     * encode by Base64 
     */  
    public static String encodeBase64(byte[] input) throws Exception {  
        Class clazz = Class  
                .forName("com.sun.org.apache.xerces.internal.impl.dv.util.Base64");  
        Method mainMethod = clazz.getMethod("encode", byte[].class);  
        mainMethod.setAccessible(true);  
        Object retObj = mainMethod.invoke(null, new Object[] { input });  
        return (String) retObj;  
    }  
  
    /*** 
     * decode by Base64 
     */  
    public static byte[] decodeBase64(String input) throws Exception {  
        Class clazz = Class  
                .forName("com.sun.org.apache.xerces.internal.impl.dv.util.Base64");  
        Method mainMethod = clazz.getMethod("decode", String.class);  
        mainMethod.setAccessible(true);  
        Object retObj = mainMethod.invoke(null, input);  
        return (byte[]) retObj;  
    }  
}
